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authorIngo Molnar <mingo@kernel.org>2018-12-03 10:47:53 +0100
committerIngo Molnar <mingo@kernel.org>2018-12-03 10:47:53 +0100
commitdf60673198ae678f68af54873b8904ba93fe13a0 (patch)
tree6e9a3393d0be7b68a69c2bbc58f4325ceb6fd853 /fs/notify/fsnotify.c
parent89f579ce99f7e028e81885d3965f973c0f787611 (diff)
parent2595646791c319cadfdbf271563aac97d0843dc7 (diff)
Merge tag 'v4.20-rc5' into x86/cleanups, to sync up the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/notify/fsnotify.c')
-rw-r--r--fs/notify/fsnotify.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
index 2172ba516c61..d2c34900ae05 100644
--- a/fs/notify/fsnotify.c
+++ b/fs/notify/fsnotify.c
@@ -167,9 +167,9 @@ int __fsnotify_parent(const struct path *path, struct dentry *dentry, __u32 mask
parent = dget_parent(dentry);
p_inode = parent->d_inode;
- if (unlikely(!fsnotify_inode_watches_children(p_inode)))
+ if (unlikely(!fsnotify_inode_watches_children(p_inode))) {
__fsnotify_update_child_dentry_flags(p_inode);
- else if (p_inode->i_fsnotify_mask & mask) {
+ } else if (p_inode->i_fsnotify_mask & mask & ALL_FSNOTIFY_EVENTS) {
struct name_snapshot name;
/* we are notifying a parent so come up with the new mask which
@@ -339,6 +339,9 @@ int fsnotify(struct inode *to_tell, __u32 mask, const void *data, int data_is,
sb = mnt->mnt.mnt_sb;
mnt_or_sb_mask = mnt->mnt_fsnotify_mask | sb->s_fsnotify_mask;
}
+ /* An event "on child" is not intended for a mount/sb mark */
+ if (mask & FS_EVENT_ON_CHILD)
+ mnt_or_sb_mask = 0;
/*
* Optimization: srcu_read_lock() has a memory barrier which can